Distribution frame



FIG. 1 is a front, right-hand perspective view of a distribution frame according to our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof; and,

FIG. 5 is a right side elevation view thereof. 

The ornamental design for a distribution frame, as shown and described. 